在空中播放完整的跳跃动画时遇到问题

我试图控制一组角色动画，但我在跳跃动画方面遇到了问题。我的水平行走动画运行良好，但当我按下跳跃按钮时，我希望播放两个跳跃动画中的一个，这取决于玩家是处于空闲状态还是行走状态。

我已经设置了一个bool，它会根据我的角色碰撞器是否接触地面进行更新，并进行检查以确定何时播放跳跃动画。然而，当我当前按下跳跃按钮时，它只播放相应跳跃动画的第一帧，然后直接返回到空闲或行走。当按下跳跃按钮并且角色悬空时，如何播放整个跳跃动画？

using UnityEngine;
using System.Collections;
public class AsherBlackMover : MonoBehaviour {
    public float moveSpeed = 3;
    public float rotateSpeed = 10;
    public Transform graphics;
    public SkeletonAnimation skeletonAnimation;
    public Vector2 jumpVector;
    public bool isGrounded;
    // isGrounded Variables
    public Transform grounderPosition;
    public float grounderRadius;
    public LayerMask grounderLayerMask;
    private Rigidbody2D asherBlackRB;
    private Animator asherBlackAnim;
    Quaternion goalRotation = Quaternion.identity;
    float xDir;
    string currentAnimation = "";
    void Start ()
    {
        // Create a reference to Asher Black Rigidbody2D
        asherBlackRB = GetComponent<Rigidbody2D>();
    }
    void Update ()
    {
        xDir = Input.GetAxis ("Horizontal") * moveSpeed;
        if (xDir > 0 && isGrounded == true) // ------ Walk Right
        {
            goalRotation = Quaternion.Euler (0, 0, 0);
            SetAnimation ("Walk", true);
        } 
        else if (xDir < 0 && isGrounded == true) // ------ Walk Left
        {
            goalRotation = Quaternion.Euler (0, 180, 0);
            SetAnimation ("Walk", true);
        }
        else if (isGrounded == true) // ------ Idle
        {
            SetAnimation ("Idle", true);
        }
        // Jump Button
        if (Input.GetKeyDown("space") && isGrounded == true)
        {
            isGrounded = false;
            skeletonAnimation.state.SetAnimation (0, "Idle-Jump", true);
            if (xDir > 0 && isGrounded == false)
            {
                Jump ("Walk-Jump");
            }
            else if (xDir < 0 && isGrounded == false)
            {
                Jump ("Walk-Jump");
            }
            else if (isGrounded == false)
            {
                Jump ("Idle-Jump");
            }
        }
        // Circle on character that determines when grounded or not
        isGrounded = Physics2D.OverlapCircle (grounderPosition.transform.position, grounderRadius, grounderLayerMask);
        // Flip character smothly to emulate paper mario effect
        graphics.localRotation = Quaternion.Lerp (graphics.localRotation, goalRotation, rotateSpeed * Time.deltaTime);
    }
    void OnDrawGizmos ()
    {
        Gizmos.color = Color.yellow;
        Gizmos.DrawWireSphere (grounderPosition.transform.position, grounderRadius);
    }
    void SetAnimation (string name, bool loop)
    {
        if (name == currentAnimation)
        {
            return;
        }
        skeletonAnimation.state.SetAnimation (0, name, loop);
        currentAnimation = name;
    }
    void Jump (string animName)
    {
        asherBlackRB.AddForce (jumpVector, ForceMode2D.Force);
        SetAnimation (animName, true);
        print ("Doing a jump using the " + animName + " animation");
    }
    // Physics Updates
    void FixedUpdate ()
    {
        asherBlackRB.velocity = new Vector2 (xDir, asherBlackRB.velocity.y);
    }
}

isGrounded = Physics2D.OverlapCircle (grounderPosition.transform.position, grounderRadius, grounderLayerMask);